我会通过肛交感染HIV吗？

我会通过肛交感染 HIV 吗？

会的。事实上，肛交是感染或传播 HIV 的最高风险性行为之一。

HIV 可以在感染者的某些体液中找到，包括血液、精液（精子液）、预射液（预精液）和直肠液体。尽管接受方（通常是“底方”）在肛交中感染 HIV 的风险远高于施动方（通常是“顶方”），但实际上无论是顶方还是底方，都有可能感染 HIV。底方的风险特别高，因为直肠内壁较薄，容易在肛交过程中让 HIV 进入体内。施动方也有风险，因为 HIV 可以通过阴茎顶端的开口（尿道）进入体内；如果没有进行割礼，包皮也可能成为 HIV 进入体内的途径；此外，阴茎上的小切口、擦伤或开放性伤口也可能成为病毒入侵的途径。

随着对 HIV 传播途径的进一步研究，科学家们确认了肛交作为传播 HIV 的主要途径之一，这与肛门区域的生理结构以及性行为时体液交换的性质密切相关。对于接受方来说，病毒容易通过直肠内的微小裂口进入血液，而施动方虽然面临较低的风险，但仍然不应忽视可能的传播途径，如尿道或阴茎上的伤口。

Will I get HIV through anal sex?

Yes. In fact, anal sex is one of the riskiest types of sex for getting or transmitting HIV.

HIV can be found in certain body fluids—blood, semen (cum), pre-seminal fluid (pre-cum), or rectal fluids—of a person who has HIV. Although receptive anal sex (bottoming) is much riskier for getting HIV than insertive anal sex (topping), it’s possible for either partner—the top or the bottom—to get HIV. The bottom’s risk is very high because the lining of the rectum is thin and may allow HIV to enter the body during anal sex. The top is also at risk because HIV can enter the body through the opening at the tip of the penis (or urethra); the foreskin if the penis isn’t circumcised; or small cuts, scratches, or open sores anywhere on the penis.

As research into HIV transmission continues, scientists have confirmed that anal sex is one of the main routes for HIV transmission, closely related to the biological structure of the anal region and the nature of fluid exchange during sexual activity. For the receptive partner, the virus is easily transmitted through small tears in the rectal lining into the bloodstream, while the insertive partner, though at a lower risk, should still be cautious of potential transmission routes, such as through the urethra or any cuts on the penis.